ElasticSearch\tests\units\Client::testConfigIsReadFromEnv PHP Method

    public function testConfigIsReadFromEnv()
    {
        $esURL = 'http://127.0.0.1:9200/index/type';
        putenv("ELASTICSEARCH_URL={$esURL}");
        $client = \ElasticSearch\Client::connection();
        $config = $client->config();
        $this->assert->array($config)->hasKeys(array('index', 'type'));
        $this->assert->string($config['index'])->isEqualTo('index');
        $this->assert->string($config['type'])->isEqualTo('type');
        putenv("ELASTICSEARCH_URL");
    }